<template>
  <view>
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
      <swiper-item v-for="(item,i) in swiperList" :key="i">
        <navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id='+item.goods_id">
          <img :src="item.image_src">
        </navigator>
      </swiper-item>
    </swiper>
    <!-- 分类导航区域 -->
    <view class="nav-list">
      <view class="nav-item" v-for="(item,i) in navList" :key="i" @click="navclikHandler(item)">
        <image :src="item.image_src" class="nav-img"></image>
      </view>
    </view>
    <!-- 楼层区域 -->
    <view class="floor-list">
      <!-- 楼层item项 -->
      <view class="floor-item" v-for="(item,i) in floorList" :key="i">
        <image :src="item.floor_title.image_src" class="floor-title"></image>
        <!-- 楼层图片区域 -->
        <view class="floor-img-box">
          <!-- 左侧大图片的盒子 -->
          <navigator class="left-img-box" :url="item.product_list[0].url">
            <image :src="item.product_list[0].image_src" :style="{width: item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
          </navigator>
          <!-- 右侧 4 个小图片的盒子 -->
          <view class="right-img-box">
            <navigator class="right-img-item" v-for="(item2, i2) in item.product_list" :key="i2" v-if="i2 !== 0" :url="item2.url" >
              <image :src="item2.image_src" mode="widthFix" :style="{width: item2.image_width + 'rpx'}"></image>
            </navigator>
          </view>
        </view>
      </view>
     </view>
  </view>
</template>

<script>
  export default {
    data() {
      return {
        // 这是录播图的数据
        swiperList:[],
        //分类导航的数据列表
        navList:[],
        // 楼层的数据列表
        floorList:[],
      };
    },
    onLoad() {
      //调用方法，获取轮播图的数据
      this.getSwiperList()
      this.getNavList()
      this.getFloorList()
    },
    methods:{
     async getSwiperList(){
      const {data:res} = await uni.$http.get('/api/public/v1/home/swiperdata')
        if(res.meta.status !== 200)  return uni.$showMsg()
        this.swiperList = res.message
        uni.$showMsg('数据请求成功！')
      },
     async getNavList() {
     const {data:res} = await uni.$http.get('/api/public/v1/home/catitems')
       if( res.meta.status !== 200) return uni.$showMsg()
       this.navList =res.message
      },
      navclikHandler(item) {
        // 判断点击的是那个nav
        if (item.name === '分类') {
          uni.switchTab({
            url:'/pages/cate/cate'
          })
        }
      },
      // 3 定义获取楼层列表数据的方法
    async  getFloorList() {
      const {data:res} = await uni.$http.get('/api/public/v1/home/floordata')
        if(res.meta.status !== 200) return uni.$showMsg()
        // 对数据进行处理
        res.message.forEach(floor => {
          floor.product_list.forEach(prod => {
            prod.url = '/subpkg/goods_list/goods_list?'+prod.navigator_url.split('?')[1]
          })
        })
        this.floorList = res.message
      }
    }
  }
</script>

<style lang="scss">
swiper {
  height: 330rpx;
  .swiper-item,
  image{
   width: 100%;
    height: 100%;
  }
}
.nav-list {
  display: flex;
  justify-content: space-around;
  margin: 15px 0;
}
 .nav-img {
   width: 128rpx;
   height: 140rpx;
 }
.floor-title {
    height: 60rpx;
    width: 100%;
    display: flex;
  }
  .right-img-box {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
  }
  
  .floor-img-box {
    display: flex;
    padding-left: 10rpx;
  }
</style>
